Find the equation of the circle passing through the points of intersection of the circle x²+y²−6x+2y+4=0 and x²+y²+2x−4y−6=0 and with its centre on the line y=x
A. x²+y²+10x/7−10y/7+12/7=0
B. x²+y²−10x/7+10y/7+12/7=0
C. x²+y²+10x/7+10y/7−12/7=0
D. x²+y²−10x/7−10/y7−12/7=0